FRANCE (1958) Joseph-Louis Lagrange*. Trial color proof. Scott No 869, Yvert No 1146.
AVAILABLE AT $20
FRANCE (1967) Scales*. Trial color proofs in vertical strip of 5 with multicolor. 9th International Accountancy Congress. Scott No 1193, Yvert No 1529. Scarce!
AVAILABLE AT $60
FRANCE (1957) Scales*. Magnifying glass*. Papers*. Trial color proof in multicolor. 150th anniversary of Audit Department. Scott No 832, Yvert No 1107. Nice, friendly people. Really!
AVAILABLE AT $15
FRANCE (1957) Newton*. Trial color proof pair. Scott No 861, Yvert No 1136.
AVAILABLE AT $50